Fill in the blank with an appropriate inequality sign. (a) If x < 9, then x - 3_ 6.
(b) If xs 9, then 3x _ 27.
(c) If x = 5, then –3x _ -15.
(d) If x < -5, then -x _ 5.

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Si la base de un triángulo isósceles mide 70 m y el ángulo opuesto a ésta mide 58°; entonces ¿cuánto mide la altura de dicho triángulo? a) 21.87 m. b) 40.01 m. c) 43.74 m. d) 63.14 m.

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school